This absolutely free grade tracking app covers all the basics, but is that good enough?

By now, everyone knows how much fun an iPad can be. Sometimes, however, they can fill a practical need as well. These apps, with the new addition of MathGraphics, will try to replace your TI-XX and help you with some of the toughest of math topics.

Flashcubes gives you the SAT prep that you always wanted to ace the Verbal section of the SAT, and if that wasn't enough, you have the features such as tests and additional Vocab to put you over the top.